Adaptive full-diversity full-rate space-time block code with linear decoding complexity

We propose an adaptive space-time block code (A-STBC) for the wireless communication system. A group of minimum-decoding-complexity quasi-orthogonal STBC (MDC-QO-STBC) matrices which are the same size and code rate but different in the performance of combating inter-symbol-interference are obtained,...

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Vydáno v:Proceedings, 2009 3rd IEEE International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications : 27-29 October 2009, Beijing, China s. 1221 - 1225
Hlavní autoři: Wang, Li, Jiang, Hua, Shao, Lan, Zhao, Hui, Wang, Wenbo
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: IEEE 01.10.2009
Témata:
Block codes
Channel state information
Chromium
Intersymbol interference
Maximum likelihood decoding
Receiving antennas
Throughput
Transmitting antennas
Wireless communication
Wireless LAN
ISBN:1424440769, 9781424440764
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Abstract We propose an adaptive space-time block code (A-STBC) for the wireless communication system. A group of minimum-decoding-complexity quasi-orthogonal STBC (MDC-QO-STBC) matrices which are the same size and code rate but different in the performance of combating inter-symbol-interference are obtained, and a specific matrix is selected from the group for a certain channel according to its channel state information. For the proposed A-STBC, linear decoding can be used in a system with four transmit antennas, thus the lowest decoding complexity is achieved, in addition, full-diversity and full-rate can also be obtained. The simulation results show that the A-STBC has a lower block error ratio (than normal MDC-QO-STBC) and a higher throughput (than single-user precoding). A-STBC is an effective combination of the simplification in decoding and the performance advantages in block error rate as well as throughput.
AbstractList We propose an adaptive space-time block code (A-STBC) for the wireless communication system. A group of minimum-decoding-complexity quasi-orthogonal STBC (MDC-QO-STBC) matrices which are the same size and code rate but different in the performance of combating inter-symbol-interference are obtained, and a specific matrix is selected from the group for a certain channel according to its channel state information. For the proposed A-STBC, linear decoding can be used in a system with four transmit antennas, thus the lowest decoding complexity is achieved, in addition, full-diversity and full-rate can also be obtained. The simulation results show that the A-STBC has a lower block error ratio (than normal MDC-QO-STBC) and a higher throughput (than single-user precoding). A-STBC is an effective combination of the simplification in decoding and the performance advantages in block error rate as well as throughput.
Author Wang, Wenbo
Wang, Li
Shao, Lan
Zhao, Hui
Jiang, Hua
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  organization: Wireless Signal Processing and Network Lab, Key Laboratory of Universal Wireless Communication, Ministry of Education, Beijing University of Posts and Telecommunications, China
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  organization: Wireless Signal Processing and Network Lab, Key Laboratory of Universal Wireless Communication, Ministry of Education, Beijing University of Posts and Telecommunications, China
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  givenname: Wenbo
  surname: Wang
  fullname: Wang, Wenbo
  organization: Wireless Signal Processing and Network Lab, Key Laboratory of Universal Wireless Communication, Ministry of Education, Beijing University of Posts and Telecommunications, China
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Snippet We propose an adaptive space-time block code (A-STBC) for the wireless communication system. A group of minimum-decoding-complexity quasi-orthogonal STBC...
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SubjectTerms Block codes
Channel state information
Chromium
Intersymbol interference
Maximum likelihood decoding
Receiving antennas
Throughput
Transmitting antennas
Wireless communication
Wireless LAN
Title Adaptive full-diversity full-rate space-time block code with linear decoding complexity
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